OpenTechnical

OT-2026-000070172

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, two stage ejector, vented before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000070172) never changes.

Identity and time

Publication numberOT-2026-000070172 · never reused
Internal UUID01a0ae91-1862-714c-8c5d-8552fb85ed70 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070172
StatusPUBLIC

Content hashes

Canonical text44604f0de5df4974a077f0f3fb13ff5b79ebf81223a43189515d1aec29dc6b29
Markdownfc645a56b5e201c49fe833517422db253300e44d389d48739908d42eaea9360f
PDF
Publication page64661de45f95a0f6cc1ab0f4d9ede520f513f8aad25364b59fae9ae4f99f0064
Manifestc9e95dd51b2d15047602532ee53dbd7334d284e454a924a3bd6ea643daa20ba9

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureLf2yhMOZnHoSpSU1Vfi9qmFPzkp4nAZ/HNEPO8us2/GEaP/e2/+Kh9+DgVAYTD5i0k/8AT0yQr/bCmiMJ0mTBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:27:13.409803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070172
observed 64661de45f95a0f6cc1ab0f4d9ede520...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:13.393453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070172/manifest.json
observed c9e95dd51b2d15047602532ee53dbd73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:13.375953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070172/publication.md
observed fc645a56b5e201c49fe833517422db25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:13.358669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070172/publication.txt
observed 44604f0de5df4974a077f0f3fb13ff5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.